• Designed and developed Complex APIs with NestJS for app and some complex modules like auctions and tenders.• Implemented Microservice design pattern with Kafka• Continuously improved the infrastructure architecture for launching the service• Created notification Microservice ( with Firebase ) and File microservice ( with Minio )• Redesigned most of the existing modules to use SOLID Principle

Created infrastructure to gather data from APIs & transform data to compressed dataset as Jsonl with Python.Engineered and deployed a robust API using Python to extract recorded voice data from the VOIP system; the solution streamlined data retrievalprocesses, improved efficiency for the customer service team.Engineered and developed a time sheet web application project for use of 50+ employees with Django.Designed and developed a shopping website (onru.app) API with NestJS.Developed Automation scripts for make some tasks automatic with Cronjobs.Deployed apps with docker on hamravesh.io

Trained YOLOv5 models to detect and extract text from images, achieving a 99.8% accuracy rate; developed a REST API for seamless integrationwith chatbots and backend systems, enhancing response efficiency for customer inquiries.Designed infrastructure for gathering data from websites and procces them to use in our backend and analysis. using Python and RabbitmqDesigned and Configured server artitectures with Proxmox